LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only FEATURES 0.3 inch (7.4 mm) DIGIT HEIGHT CONTINUOUS UNIFORM SEGMENTS LOW POWER REQUIREMEN EXCELLENT CHARACTERS APPEARANCE HIGH BRIGHTNESS & HIGH CONTRAST WIDE VIEWING ANGLE SOLID STATE RELIABILITY LEAD-FREE PACKAGE(ACCORDING TO ROHS) DESCRIPTION The LTC-3743KG is a 0.3 inch (7.4 mm) digit height quadruple display. This device utilizes AlInGaP Green LED chips, which are made from AlInGaP on a non-transparent GaAs substrate, and has a black face and white segments. DEVICE PART NO. DESCRIPTION GREEN Multiplex Common Cathode Rt. Hand Decimal LTC-3743KG PART NO.: LTC-3743KG BNS-OD-C131/A4 PAGE: 1 of 5 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only PACKAGE DIMENSIONS NOTES: 1).All dimensions are in millimeters. Tolerances are 0.25 mm (0.01") unless otherwise noted. 2). Pin tip's shift tolerance is +/- 0.4 mm. INTERNAL CIRCUIT DIAGRAM PART NO.: LTC-3743KG BNS-OD-C131/A4 PAGE: 2 of 5 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only PIN CONNECTION NO. CONNECTION NO. CONNECTION 1. ANODE L3 13. CATHODE UDP 14 CATHODE DP2 2. CATHODE (DIGIT 1&DP3) 3. ANODE D 15. ANODE UDP 4. ANODE L2 16. CATHODE DP1 17. ANODE A 5. CATHODE (DIGIT 2) 6. CATHODE LC 18 ANODE F 7. ANODE LC & DP3 19. ANODE B 8 CATHODE (DIGIT 3) 20. ANODE C 9. ANODE DP1 21. ANODE 1E 22. ANODE G 10. CATHODE (DIGIT 4) 11. ANODE E 23. ANODE L1 12. ANODE DP2 24. CATHODE L1,L2,L3 PART NO.: LTC-3743KG BNS-OD-C131/A4 PAGE: 3 of 5 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only ABSOLUTE MAXIMUM RATING PARAMETER MAXIMUM RATING UNIT Power Dissipation Per Segment 70 mW Peak Forward Current Per Segment ( Frequency 1Khz, 10% duty cycle) 60 mA 25 mA mA/ Continuous Forward Current Per Segment Derating Linear From 25 Per Segment 0.28 Reverse Voltage Per Segment 5 -35 to +105 Operating Temperature Range V -35 to +105 Storage Temperature Range Solder Temperature: max 260 for max 5sec at 1.6mm below seating plane. ELECTRICAL / OPTICAL CHARACTERISTICS AT Ta=25oC PARAMETER SYMBOL MIN. TYP. MAX. UNIT TEST CONDITION 630 cd IF=1mA p 571 nm IF=20mA Spectral Line Half-Width 15 nm IF=20mA Dominant Wavelength d 572 nm IF=20mA Forward Voltage Per Segment VF 2.05 2.6 V IF=20mA Reverse Current Per Segment IR 100 A VR=5V IV-m 2:1 Average Luminous Intensity IV Peak Emission Wavelength Luminous Intensity Matching Ratio (Similar Light Area) 200 IF=1mA Note: Luminous intensity is measured with a light sensor and filter combination that approximates the CIE (Commision Internationale De L'Eclairage) eye-response curve. PART NO.: LTC-3743KG BNS-OD-C131/A4 PAGE: 4 of 5 LITE-ON TECHNOLOGY CORPORATION Property of Lite-On Only TYPICAL ELECTRICAL / OPTICAL CHARACTERISTIC CURVES (25oC Ambient Temperature Unless Otherwise Noted) PART NO.: LTC-3743KG BNS-OD-C131/A4 PAGE: 5 of 5